51268723 has 16 divisors (see below), whose sum is σ = 58255200. Its totient is φ = 44692480.

The previous prime is 51268697. The next prime is 51268733. The reversal of 51268723 is 32786215.

It is a happy number.

51268723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51268723 - 2⁵ = 51268691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51268733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54723 + ... + 55651.

It is an arithmetic number, because the mean of its divisors is an integer number (3640950).

Almost surely, 2^51268723 is an apocalyptic number.

51268723 is a deficient number, since it is larger than the sum of its proper divisors (6986477).

51268723 is a wasteful number, since it uses less digits than its factorization.

51268723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its digits is 20160, while the sum is 34.

The square root of 51268723 is about 7160.2180832709. The cubic root of 51268723 is about 371.4931698648.

The spelling of 51268723 in words is "fifty-one million, two hundred sixty-eight thousand, seven hundred twenty-three".